TEMPE, Ariz. - With three players shooting under par, the Stanford women's golf team finished day 1 of the Pac-10 Women's Golf Championship with share of the lead at -6, matching USC with a 282 at Karsten Golf Course at Arizona State University.

UCLA's Tiffany Lua took a one stroke lead in the individual standings, finishing with a 4-under 68, including a clutch 9-foot birdie putt on 16. She holds a one shot lead over three others. The top ranked Bruins are two shots off the pace at -4.

"I gave myself a lot of opportunities to putt, and a lot of close ones," Lua said of her strong round. "I didn't convert on all of them, but I did a good job of minimizing my mistakes."

Freshman Marissa Mar finished one stroke back with a 3-under 69 to lead the Cardinal, while sophomores Kristina Wong and Sally Watson carded 2-under 70s.

"We had a lot to prove coming into the tournament," Mar said. "We definitely made a statement, but we have a lot more to do the next two days. Those will be the most important days."

Second ranked USC received strong performances from Sophia Popov and Cyna Rodriguez, who both finished a shot off the lead at 3-under. Teammates Lisa McCloskey and Lizette Salas each posted an even-par 72 to help lift the Trojans into tie for first.

The highlight of the day came on the par-3 16th, when Arizona's Kyndall Ardoin lofted her tee shot onto the green and one-hopped it into the cup for a hole-in-one, the first of her career. She finished the day with an even 72. The Wildcats are eight shots back after shooting a +2 290.

"On the 15th fairway, me and my coach (Laura Ianello) were talking about 16 because I birdied on 16 all three rounds on this course two weeks ago. Coach said 'just make a hole-in-one, no big deal,'" Ardoin said. "I knew I hit it really well then I looked u and it went in. It was pretty awesome. Laura picked me up so I could do a dance, but it was fun."

Oregon is tied for fourth at +2 290 after getting solid rounds from Erica Omlid, Ashley Edwards and Kendra Little. Omlid finished 1-under for the day, while Edwards and Little carded even-par 72s.

The tournament resumes Monday when Arizona and California twosomes take the first tee at 8:00 a.m., followed by UCLA and Oregon pairs at 8:40 and Stanford and USC twosomes at 9:20. Arizona State and Washington will tee off from the 10th at 8:20 and will be followed by Oregon State and Washington State at 9:00.